21 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Corvallis: BEST Roofing & Waterproofing, CR Score 83/100; 4.8★ from 95 Google reviews; open 24/7.
Best for emergencies (open 24/7): Innovative Underground, posts 24/7 hours; ranked #2 of 21.
Most-reviewed: John's Waterproofing, 343 Google reviews at 4.6★, the most of 21 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Corvallis foundation repair companies are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 9 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | BEST Roofing & Waterproofing | 83 | 4.8★ (95) | Eugene, 35 mi away | 24/7 | Overall |
| 2 | Innovative Underground | 79 | 4.9★ (54) | Eugene, 39 mi away | 24/7 | Emergencies |
| 3 | Solid Ground Foundation Repair | 78 | 4.7★ (12) | Eugene, 34 mi away | — | — |
| 4 | Buddy Roofing LLC | 77 | 5.0★ (26) | Newport, 39 mi away | 24/7 | — |
| 5 | IronHead Roofing | 77 | 4.8★ (209) | Corvallis | — | — |
| 6 | J.A. Holland Construction LLC | 76 | 4.8★ (37) | Four Corners, 23 mi away | Sat · Sun | — |
| 7 | Alamo Roofing | 74 | 4.8★ (55) | Corvallis | — | — |
| 8 | John's Waterproofing | 73 | 4.6★ (343) | Silverton, 38 mi away | — | Most reviews |
| 9 | Douglas Shepherd's Dirt Work | 72 | 4.8★ (4) | Keizer, 32 mi away | 24/7 | — |
| 10 | Josh Lowe's Dr. Energy Saver | 72 | 4.8★ (302) | Eugene, 35 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.8★ from 95 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eugene, 39 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 54 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eugene, 34 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Foundation”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Newport, 39 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 26 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Corvallis
Ranked #5 because of its Google rating and review volume: 4.8★ from 209 Google reviews, 209 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Four Corners, 23 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 37 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Corvallis
Ranked #7 because of its Google rating and review volume: 4.8★ from 55 Google reviews, 55 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Silverton, 38 mi away
Ranked #8 because of its Google rating and review volume: 4.6★ from 343 Google reviews, the most Google reviews on this list (343).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Keizer, 32 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eugene, 35 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 302 Google reviews, 302 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Four Corners, 29 mi away
Ranked #11 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eugene, 37 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Concrete contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Eugene, 35 mi away
Ranked #13 because of its Google rating and review volume: 4.7★ from 105 Google reviews, 105 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Salem, 30 mi away
Ranked #14 because of its Google rating and trade focus: 2.7★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eugene, 36 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 59 Google reviews, 59 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Salem, 32 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 24 Google reviews, 24 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Springfield, 34 mi away
Ranked #17 because of its Google rating and availability: 4.2★ from 5 Google reviews, open Saturdays until 9 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Newport, 39 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Four Corners, 28 mi away
Ranked #19 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dallas, 19 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eugene, 36 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
17 more foundation repair companies within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 4 C's Company Inc. | 39 mi | |
| All Star Custom Curb & Concrete Inc. | 5.0★ (6) | In Corvallis |
| BCB Corvallis Concrete Contractor | 4.4★ (7) | In Corvallis |
| Campbell Concrete Nw | 4.0★ (4) | In Corvallis |
| Campbell Concrete Nw | In Corvallis | |
| CN Contractors LLC | 27 mi | |
| ColorLove Painting LLC | In Corvallis | |
| Custom Craft Homes | 4.9★ (18) | In Corvallis |
| G. Christianson Construction Inc. | 5.0★ (193) | In Corvallis |
| Groundhog LLC | 5.0★ (1) | In Corvallis |
| M&M CONSTRUCTION & REPAIR LLC | 1.0★ (1) | 29 mi |
| Mid Pacific Enterprises Inc | 8 mi | |
| R C Humphrey Construction Inc | 5.0★ (1) | In Corvallis |
| Sterling-Pacific Commercial Roofing & Waterproofing | 36 mi | |
| Superior Choice Builders | 5.0★ (3) | In Corvallis |
| The Fix It Man LLC | 4.8★ (54) | In Corvallis |
| Valley Brothers Roofing | 10 mi |
National price ranges in USD, not adjusted for Corvallis. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | $2,225 | $5,174 | $8,133 | Per project: typical range of customer-reported repairs. US national range | October 2026 |
We scored 21 Corvallis foundation repair companies on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Corvallis data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |